package com.yy.utils;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

/**
 * create by KongFuning on 2022/7/30
 */
public class MD5Utils {

    public static String code(String str){
        try {
            MessageDigest md = MessageDigest.getInstance("MD5");
            md.update(str.getBytes());
            byte[] byteDigest = md.digest();
            int i;
            StringBuffer buffer = new StringBuffer("");
            for(int offeset = 0;offeset < byteDigest.length ; offeset++){
                i = byteDigest[offeset];
                if(i < 0){
                    i += 256;
                }
                if(i < 16){
                    buffer.append("0");
                }
                buffer.append(Integer.toHexString(i));
            }
            //32位加密
            return buffer.toString();
        }catch(NoSuchAlgorithmException e){
            e.printStackTrace();
            return null;
        }
    }

    public static void main(String[] args) {
        System.out.println(code("123456"));
    }
}
